Re: [PATCH] proc: warn if registering world writeable files

From: Alexey Dobriyan
Date: Thu Dec 16 2010 - 17:05:13 EST


On Thu, Dec 16, 2010 at 04:26:10PM -0500, Dave Jones wrote:
> On Thu, Dec 16, 2010 at 10:32:17PM +0200, Alexey Dobriyan wrote:
> > + WARN_ON(S_ISREG(mode) && (mode & S_IWOTH));
> > ent->mode = mode;
> > ent->nlink = nlink;
> > atomic_set(&ent->count, 1);
>
> Not sure about this. For the reason I mentioned in the checkpatch diff
> that this is "usually" a problem. There may be some use cases where
> it may actually be ok.
>
> (I'm having a hard time thinking up a justification though tbh)

Me too.

If it's for quick debugging, one can reassign ->mode after registering and
escape the warning.
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